RO84491B1 - Procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice si reactor pentru realizarea acestuia - Google Patents
Procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice si reactor pentru realizarea acestuiaInfo
- Publication number
- RO84491B1 RO84491B1 RO111503A RO11150383A RO84491B1 RO 84491 B1 RO84491 B1 RO 84491B1 RO 111503 A RO111503 A RO 111503A RO 11150383 A RO11150383 A RO 11150383A RO 84491 B1 RO84491 B1 RO 84491B1
- Authority
- RO
- Romania
- Prior art keywords
- solution
- reactor
- phosphonate
- phosphonitric
- solutions
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title abstract 14
- 238000000034 method Methods 0.000 title abstract 3
- 229910021529 ammonia Inorganic materials 0.000 title abstract 2
- 230000003472 neutralizing effect Effects 0.000 title 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 abstract 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 3
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 abstract 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 2
- 238000006386 neutralization reaction Methods 0.000 abstract 2
- 229910017604 nitric acid Inorganic materials 0.000 abstract 2
- 235000011007 phosphoric acid Nutrition 0.000 abstract 2
- 239000004254 Ammonium phosphate Substances 0.000 abstract 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 abstract 1
- 235000019289 ammonium phosphates Nutrition 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 150000004682 monohydrates Chemical class 0.000 abstract 1
- 239000002367 phosphate rock Substances 0.000 abstract 1
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical compound OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 230000000979 retarding effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000003260 vortexing Methods 0.000 abstract 1
Abstract
Inventia se refera la un procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice, obtinute prin tratarea rocilor fosfatice cu acid azotic, dupa separarea, în prealabil, a calciului, caracterizat prin aceea ca, în scopul obtinerii unui produs de reactie, constînd dintr-o solutie concentrata de azotat de amoniu, acid azotic, acid fosforic si, respectiv, azotat de amoniu si fosfati de amoniu, avînd un raport molar NH3:H3PO4 cuprins între 1 si 1,45 într-un timp de reactie scurt si cu un randament de retinere a a moniacului de peste 98%, reactia de neutralizare a solutiei fosfonitrice cu NH3 se efectueaza într-o singura camera de reactie la valori ale pH-ului cuprins între 1 si 5,6 corespunzatoare cantitatilor de minimum 100 kg NH3, respectiv maximum 200 kg NH3, raportate la 1m3 solutie fosfonitrica, presiunea de lucru fiind de 2...4 kgf/cm2. Reactorul pentru realizarea procedeului conform inventiei cu prinde o conducta perforata, prin care se introduce NH3, precum si un elementde turbionare amplasat în zona intrarii solutiei fosfonitrice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO111503A RO84491B1 (ro) | 1983-07-02 | 1983-07-02 | Procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice si reactor pentru realizarea acestuia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO111503A RO84491B1 (ro) | 1983-07-02 | 1983-07-02 | Procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice si reactor pentru realizarea acestuia |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO84491A2 RO84491A2 (ro) | 1984-06-21 |
| RO84491B1 true RO84491B1 (ro) | 1984-08-30 |
Family
ID=20113340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO111503A RO84491B1 (ro) | 1983-07-02 | 1983-07-02 | Procedeu pentru neutralizarea cu amoniac a solutiilor fosfonitrice si reactor pentru realizarea acestuia |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO84491B1 (ro) |
-
1983
- 1983-07-02 RO RO111503A patent/RO84491B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO84491A2 (ro) | 1984-06-21 |
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